#-*-makefile-*-

all: clone

TOPLVL  = .

include $(TOPLVL)/projects/common/Makefile.config
include $(TOPLVL)/projects/common/Makefile.shared

SHELL   = /bin/bash

PKGS    = $(shell cat $(PACKAGES_FILE))
PKGS_LOCAL = $(sort $(filter ${PKGS},$(subst packages/,,$(wildcard packages/*))))
PKGS_ORPHANED = $(sort $(filter-out common ${PKGS},$(subst packages/,,$(wildcard packages/*))))

proj_PKGS = $(addprefix proj_,$(PROJ_PKGS))
clone_PKGS = $(addprefix clone_,$(PKGS))

#help clone: Clones any new package/project in the git tree that you didn't
#help already check out. If you already have a package checked out,
#help it will not clone that package
clone: $(proj_PKGS) $(clone_PKGS)

#help clone-packages: Same action as 'make clone', but for package repos only.
clone-packages: $(clone_PKGS)

#help clone-projects: Same action as 'make clone', but for project repos only.
clone-projects: $(proj_PKGS)

$(proj_PKGS):
	@proj=$(patsubst proj_%,%,$@); \
	[ -d projects/$$proj ] || ( \
	echo "Checking out: projects/$$proj"; \
	if [ "$$proj" = "autospec" ] ; then \
		git clone https://github.com/clearlinux/autospec.git projects/autospec; \
	else \
		git clone $(PRJ_BASE_URL)/$$proj projects/$$proj; \
	fi; \
	cd projects/$$proj; \
	if [ "$$proj" != "autospec" ] ; then \
		$(call gitoliteurl,projects/$$proj); \
	fi; \
	$(call subjectprefix,$$proj); \
	)

packages/common/Makefile.common:
	@mkdir -p $(dir $@)
	@ln -s ../../projects/common/Makefile.common $@

$(clone_PKGS): $(PACKAGES_FILE) packages/common/Makefile.common
	@pkg=$(patsubst clone_%,%,$@); \
	remotepkg=$(call remotepkgname,$$pkg); \
	[ -d packages/$$pkg ] || ( \
	echo "Checking out: packages/$$pkg"; \
	git clone -b main $(PKG_BASE_URL)/$$remotepkg packages/$$pkg; \
	cd packages/$$pkg; \
	$(call gitoliteurl,packages/$$pkg); \
	$(call subjectprefix,$$pkg); \
	)

#help pull: Performs a git pull --rebase for each package repo, avoiding the creation
#help of merge commits, while displaying any changes since your last pull. It is
#help silent if there are no changes.
.PHONY: pull ${PULL_PKGS} 
PULL_PKGS:= $(addprefix PULL_projects/,$(PROJ_PKGS)) $(addprefix PULL_packages/,${PKGS_LOCAL})
${PULL_PKGS}:
	@p=$(patsubst PULL_%,%,$@) ; \
	if [ ! -d "$$p/.git" ]; then echo "Nothing to pull for $$p - $$p/.git missing"; exit 0; fi; \
	cd "$$p" ; \
	if git remote | grep origin >/dev/null 2>&1; then \
		case "$$p" in \
			("projects/"*) BRANCH=master ;; \
			("packages/"*) BRANCH=main ;; \
			(*) BRANCH=master ;; \
		esac; \
		O=$$(git rev-parse origin/"$$BRANCH" 2>/dev/null); \
		git fetch --tags origin >/dev/null 2>&1; \
		N=$$(git rev-parse origin/"$$BRANCH"); \
		if [ "$$O" != "$$N" ]; then \
			echo "Updating: $$p"; \
			if ! git merge --ff-only origin/"$$BRANCH" 2>/dev/null; then \
				echo "$$p: Cannot fast-forward $$(git rev-parse --abbrev-ref HEAD) to origin/$$BRANCH" ; \
			fi ; \
			git --no-pager log --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit $$O..$$N; echo; \
		fi ; \
		if [ "$$p" != "projects/autospec" ] ; then \
			$(call gitoliteurl,$$p); \
		fi ; \
	else \
		echo "$$p: no such remote 'origin'"; \
	fi ; \
	case "$$p" in \
		("projects/"*|"packages/"*) P=$${p#*/} ;; \
		(*) P="$$p";; \
	esac; \
	$(call subjectprefix,$$P);

# If a user runs "make -j pull", set the job count to 4 to rate limit client
# requests to the server hosting package git repos. Finding the value that is
# passed to -j and changing it to limit it to 4 is even harder, see
# http://blog.jgc.org/2015/03/gnu-make-insanity-finding-value-of-j.html
# for a discussion, Simplified it comes to
### # Default target depends on parallel, and outputs the job count
### all: | compute_job_count
###      @echo ${JOB_COUNT}
### # get the number of words in .parallel file and clean up.
### compute_job_count: .parallel
### 	@$(eval JOB_COUNT := $(words $(file < $<)))rm $<
### THIS_MAKEFILE := $(CURDIR)/$(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
### # run a submake, sending the output (one word per job until failure) to the .parallel file
### .parallel: FORCE
### 	@$(MAKE) --no-print-directory -f ${THIS_MAKEFILE}  par 2>/dev/null >$@ || true
### FORCE: ;
### # par depends on par-1 par-2 ... par-24
### par: $(addprefix par-,1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24)
### # Each job outputs a word, waits for a second and fails. So eventually
### # you have n tasks in sleep, then one fails and the job fails.
### # par-%: ; @echo $@ && sleep 1 && false
ifeq (pull,$(filter pull,${MAKECMDGOALS}))
 ifeq (3,$(word 1,$(subst ., ,${MAKE_VERSION})))
 $(warning *************** This version of make is too old to pull in parallel )
 else
 MAKEFLAGS += -j4 -Otarget
 endif
endif
pull: ${PULL_PKGS}

#help clean-pkgs-dir: For packages that are no longer present in the distro,
#help removes the associated package repos from the ./packages tree and stores
#help it in packages_old. If it already exists in packages_old, skip it.
clean-pkgs-dir: $(PACKAGES_FILE)
	@for p in ${PKGS_ORPHANED}; do \
		mkdir -p packages_old; \
		if [ -d "packages_old/$$p" ]; then \
			echo "packages_old/$$p already exists, not touching it"; \
		else \
			echo "Moving $$p from packages to packages_old, as it is no longer in common/packages."; \
			mv packages/$$p packages_old/$$p; \
		fi; \
	done
	@echo "packages directory cleaned";

clean_PKGS = $(addprefix clean_,$(PKGS_LOCAL))
#help clean: Run 'make clean' for every package.
clean: $(clean_PKGS)

proper_PKGS = $(addprefix proper_,$(PKGS_LOCAL))
#help proper: Run 'make proper' for every package, and purge the local
#help repo and image.
proper: $(proper_PKGS)
	rm -rf repo
	rm -f clear.img
	rm -f image-content.lst
	rm -f report.html

.PHONY: $(clean_PKGS)
.PHONY: $(proper_PKGS)

$(clean_PKGS):
	@echo "cleaning $(patsubst clean_%,%,$@)"
	-@$(MAKE) -s -C $(addprefix packages/,$(patsubst clean_%,%,$@)) clean

$(proper_PKGS):
	-@$(MAKE) -s -C $(addprefix packages/,$(patsubst proper_%,%,$@)) proper

#help status: Runs git status for all package repos, thus displaying untracked
#help and unstaged files in addition to staged files.
status: $(PACKAGES_FILE) $(addprefix packages/,$(PKGS_LOCAL))
	@for p in projects/common $(addprefix packages/,$(PKGS_LOCAL)); do \
	if [ -d "$$p/.git" ] &&  [ -n "$$(git -C $$p status -uno --porcelain)" ]; then echo "Uncommitted changes in $$p:"; git -C "$$p" status --short; fi ;\
	done

#help diff: Runs git diff for all package repos and displays the diffstat using
#help the --stat flag.
diff: $(PACKAGES_FILE) $(addprefix packages/,$(PKGS_LOCAL))
	@for p in projects/common $(addprefix packages/,$(PKGS_LOCAL)); do \
		(cd $$p; git status --porcelain | grep -vq '^?? ' && (echo "Uncommitted changes in: $$p"; git --no-pager diff --stat); :) ;\
	done

#help log: Run git log origin/main..HEAD for all package repos, thus
#help displaying any committed but unpushed changes.
log: $(PACKAGES_FILE) $(addprefix packages/,$(PKGS_LOCAL))
	@for p in projects/common $(addprefix packages/,$(PKGS_LOCAL)); do \
		( cd $$p; if [ -n "$$(git rev-list origin/main..HEAD)" ] ; then \
		echo $$p ; git --no-pager log --pretty="format:%s" origin/main..HEAD ; echo ; echo;\
		fi ; ) \
	done

#help versions: Displays the version of each package in the ./packages tree.
versions: $(PACKAGES_FILE) $(addprefix packages/,$(PKGS_LOCAL))
	@for p in $(addprefix packages/,$(PKGS_LOCAL)); do \
		(cd $$p; if ls *.spec &> /dev/null; then $(call queryspec,%{NAME}-%{VERSION}\n,*.spec) | head -n1; fi) ;\
	done

#help releases: Like 'make versions', but also displays the release number.
releases: $(PACKAGES_FILE) $(addprefix packages/,$(PKGS_LOCAL))
	@for p in $(addprefix packages/,$(PKGS_LOCAL)); do \
		(cd $$p; if ls *.spec &> /dev/null; then $(call queryspec,%{NVR}\n,*.spec) | head -n1; fi) ;\
	done

#help provides:     Is used to find out which RPM package provides some file.
#help               Params: FP=<file_fullpath> RN=<release_number>, i.e. 'make provides FP=/usr/bin/ls'
provides:
	@$(TOPLVL)/projects/common/provides.sh -f $(FP) -r $(RN)

preautospecnew-checks:

#help autospecnew: Creates a new autospec package with for a given URL=$(URL)
#help with NAME=$(NAME). Several files used by autospec will be created in the
#help process.
#help Use MOCK_OPTS environment varible to pass down arbitrary mock options
#help to autospec.
#help For more information about autospec, see the project page on Github https://github.com/clearlinux/autospec
autospecnew: preautospecnew-checks localreponotice
	@if [ -z $(NAME) ] || [ -z $(URL) ]; then \
		echo "Please specify NAME and URL. The ARCHIVES variable is optional."; \
		exit 1; \
	fi
	$(call clone-if-available,$(NAME))
	@if [ ! -d $(TOPLVL)/packages/$(NAME)/.git ]; then \
		echo "no remote repository found, creating new package repository and running autospec"; \
		mkdir -p $(TOPLVL)/packages/$(NAME); \
		( \
			cd $(TOPLVL)/packages/$(NAME); \
			git init -b main; \
			git remote add origin $(PKG_BASE_URL)/$(NAME); \
			$(call gitoliteurl,packages/$(NAME)); \
			$(call subjectprefix,$(NAME)); \
		); \
		printf 'PKG_NAME := %s\nURL = %s\nARCHIVES = %s\n\ninclude ../common/Makefile.common\n' $(NAME) '$(value URL)' '$(value ARCHIVES)' > $(TOPLVL)/packages/$(NAME)/Makefile; \
		python3 $(TOPLVL)/projects/autospec/autospec/autospec.py \
			--target packages/$(NAME) \
			--integrity \
			--config "$(AUTOSPEC_CONF)" \
			--name $(NAME) \
			--archives $(ARCHIVES) \
			--mock-config $(MOCK_CONFIG_VAL) \
			--mock-opts="$(MOCK_OPTS)" \
			$${SETVERSION:+ --version $${SETVERSION}} \
			${NON_INTERACTIVE} ${SKIP_GIT} $(if $(CLEANUP),-C) \
			$(URL); \
		if [ $$? -eq 0 ]; then \
			$(MAKE) link-new-rpms PKG_REPO_DIR="${TOPLVL}/packages/${NAME}"; \
			$(TOPLVL)/projects/common/checkblacklist.sh $(TOPLVL)/projects/common/blacklist $(TOPLVL)/packages/${NAME}/results/*.rpm; \
			python3 $(TOPLVL)/projects/common/patchfilter.py <(git -C $(TOPLVL)/packages/$(NAME) format-patch -1 --stdout) > $(TOPLVL)/packages/$(NAME)/for-review.txt; \
			printf "\n**\n"; \
			printf "** NOTICE: A patch with changes is available in the file $(TOPLVL)/packages/$(NAME)/for-review.txt\n"; \
			printf "** Please look through this file and if you are unsure, please submit for code review with git send-email\n"; \
			printf "**\n\n"; \
		else \
			echo "Autospec of $(NAME) failed."; \
			exit 1; \
		fi; \
	else \
		echo "$(NAME) already exists at $(TOPLVL)/packages/$(NAME)"; \
		exit 1; \
	fi

#help repoenable: Enables the local RPM repository for use with Yum/DNF and
#help Mock. If this repository does not yet exist, it is created.
repoenable: localrepoenable ;

#help repodisable: Disables the local RPM repository.
repodisable: localrepodisable ;

#help repoclean: Removes all RPMs from the local RPM repository.
repoclean: localrepoclean localrepocreate ;

#help repostatus: Summarizes the local RPM repository status.
repostatus: localrepostatus ;


# Define site local toplevel targets in a separate makefile
-include $(TOPLVL)/projects/common/Makefile.toplevel.site_local
